991301000848 has 20 divisors (see below), whose sum is σ = 1924494694000. Its totient is φ = 494657208864.

The previous prime is 991301000779. The next prime is 991301000849. The reversal of 991301000848 is 848000103199.

991301000848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (991301000849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62072490 + ... + 62088457.

It is an arithmetic number, because the mean of its divisors is an integer number (96224734700).

Almost surely, 2^991301000848 is an apocalyptic number.

It is an amenable number.

991301000848 is a deficient number, since it is larger than the sum of its proper divisors (933193693152).

991301000848 is a wasteful number, since it uses less digits than its factorization.

991301000848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124161454 (or 124161448 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 991301000848 in words is "nine hundred ninety-one billion, three hundred one million, eight hundred forty-eight", and thus it is an aban number.